package Ch02.ShangJi;

import org.w3c.dom.Document;
import org.w3c.dom.Element;
import org.w3c.dom.Node;
import org.w3c.dom.NodeList;

import javax.xml.parsers.DocumentBuilder;
import javax.xml.parsers.DocumentBuilderFactory;

public class Shangji1 {
    public static void main(String[] args) throws Exception {
        //得到DOM解析器的工厂实例
        DocumentBuilderFactory dbf=DocumentBuilderFactory.newInstance();
        //从DOM工厂获得DOM解析器
        DocumentBuilder db = dbf.newDocumentBuilder();
        //解析XML文档，得到一个Document对象，即DOM树
        Document doc=db.parse("src/Ch02/Shangji/Phone.xml");
        //得到所有Brand节点列表信息
        NodeList brandList= doc.getElementsByTagName("Brand");
        //循环Brand信息
        for (int i = 0; i < brandList.getLength(); i++) {
            //或取第i个Brand信息
            Node brand= brandList.item(i);
            //获取第i个Brand元素的name属性的值
            Element element= (Element) brand;
            String attrValue= element.getAttribute("name");
            //获取第i个Brand元素的所有子元素的name属性值
            NodeList types= element.getChildNodes();
            for (int j = 0; j < types.getLength(); j++) {
                Element typeElement=((Element) types.item(j));
                String type=typeElement.getAttribute("name");
                System.out.println("手机: " +attrValue+type);
            }
        }
    }
}
